National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

80°F

27°C

Humidity 75%
Wind Speed S 3 mph
Barometer 29.99 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 8:35 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. South wind 6 to 10 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 73. North wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the morning.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Light south wind.
Tuesday
Sunny, with a high near 90. South wind 6 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 73. North wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the morning.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 81. Calm wind becoming north around 6 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Light east wind.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
Last Update:
8:46 pm CDT Jul 14, 2025
Forecast Valid:
8pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation